Hydraulic valve



FIG. 1 is a perspective view of a hydraulic valve showing my new design;

FIG. 2 is a front elevational view showing the design for the hydraulic valve of FIG. 1;

FIG. 3 is a left side elevational view showing the design for the hydraulic valve of FIG. 1;

FIG. 4 is a top plan view showing the design for the hydraulic valve of FIG. 1;

FIG. 5 is a bottom plan view showing the design for the hydraulic valve of FIG. 1;

FIG. 6 is a right side elevational view showing the design for the hydraulic valve of FIG. 1; and,

FIG. 7 is a rear elevational view showing the design for the hydraulic valve of FIG. 1.

The broken lines shown in the drawings depict environmental subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for a hydraulic valve, as shown and described. 